CVE-2021-30772: Race Condition

Published Jul 21, 2021
·
Updated

AMD Kernel. A memory corruption issue was addressed with improved input validation.

Other sources

Analytics. A logic issue was addressed with improved restrictions.

— Apple

App Store. A permissions issue was addressed with improved validation.

— Apple

AppKit. An information disclosure issue was addressed by removing the vulnerable code.

— Apple

Audio. This issue was addressed with improved checks.

— Apple

AVEVideoEncoder. A memory corruption issue was addressed with improved state management.

— Apple

Credit

Zhongcheng Li (CK01), Denis Tokarev@@illusionofcha0s, hjy79425575(Trend Micro Zero Day Initiative), Csaba Fitzl@@theevilbit(Offensive Security), tr3e, George Nosenko, JunDong Xie(Ant Security Light), ryuzaki, Ron Waisberg@@epsilan, Tim Michaud@@TimGMichaud(Zoom Video Communications), Gary Nield(ECSC Group plc), Mickey Jin@@patch1t(Trend Micro), Sunglin(Knownsec 404 team), Yizhuo Wang(Group of Software Security In Progress), Linus Henze (pinauten.de), Wojciech Reguła@@_r3ggi(SecuRing), tr3e(Trend Micro Zero Day Initiative), Matt Shockley (twitter.com/mattshockl)(Offensive Security), Jzhu(Baidu Security), Ye Zhang@@co0py_Cat(Baidu Security), CFF(Topsec Alpha Team), Anonymous(Trend Micro Zero Day Initiative), Liu Long(Ant Security Light), Yinyi Wu@@3ndy1(Qihoo 360 Vulcan Team), Zuozhi Fan@@pattern_F_(Ant Security TianQiong Lab), CVE-2021-3518, Georgi Valkov (httpstorm.com), Mickey Jin@@patch1t(Trend Micro working with Trend Micro Zero Day Initiative), Christoph Guttandin(Media Codings), Sergei Glazunov(Google Project Zero), Ivan Fratric(Google Project Zero), ABC Research s.r.o

Affected Software

32 affected componentsFixes available
Apple macOS Big Sur<11.5
11.5
Apple Catalina
Apple Mojave
Apple iOS and macOS>=10.14.0<10.14.6
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-security_update_2021-004
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple macOS<11.5

Event History

Jul 21, 2021
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Sep 8, 2021
CVE Published
via MITRE·01:47 PM
Data Sourced
via MITRE·01:47 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is vulnerability CVE-2021-30772?

Vulnerability CVE-2021-30772 is a security issue in CoreServices that has been addressed with improved checks.

2

Which software versions are affected by CVE-2021-30772?

CVE-2021-30772 affects Apple Mojave, Apple Catalina, and Apple macOS Big Sur (up to version 11.5).

3

How can I fix vulnerability CVE-2021-30772?

To fix vulnerability CVE-2021-30772, update your macOS to the latest version provided by Apple.

4

Where can I find more information about CVE-2021-30772?

You can find more information about CVE-2021-30772 on Apple's official support website.

Company

Resources

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